A randomized 25 question test from a pool of 761 questions, good luck!
Which of the OSI layers below best reflects the layer that DeviceNet does not interact with?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet output memory location?
The data link layer of the OSI manages access to be able to transmit data. Which of the answers below represents a all typical access method?
The TCP/IP protocol was designed for simplicity and speed. Which of the OSI layers below does the TCP/IP protocol interact with?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the hub interacts with?
The data packet of an asychronous transmission contains _____ distinct types of bits. Choose the best answer to fill in the blank from the options below.
In the protocol specifications of Modbus, there are standard 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the input status registers addresses?
There are several common components of signal converters. Which one is best described as reduction of overall error introduced by the input and/or output signals?
There are many options to choose from for alarm attributes. Which of the following alarm attributes would best be described as an alarm that is cleared after the process has been normalized for a period of time?
Due to the uncomplicated nature of the Modbus frame structure, it requires a simple access method. Which of the access methods below is a method that this frame structure supports?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow the control of an employees access level in the system?
Which of the components below best represents the letter "D"?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that converts 8 or 16 inputs to a digital signal?
There are commonly two configurations a programmer would use for workstations. Which of the answers below would best be described as a workstation that has the majority of the data processing done in the applications at the workstation??
The data transmission in HDX mode travels in _____ direction(s)? Choose the best answer from the ones provided to fill in the blank
There are numerous styles of fiber optic cables. Which of the answers below best represents the number of criteria that is used to match the proper cable to the desired application?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the gateway interacts with?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as where the bulk of the GUI applications are configured?
There are an assortment of numbers on the typical protocol header. Which of the answers below denotes the header number that identifies the systems application/service for receiving or transmitting data?
For larger network configuration in IPv4, the more practical option is dynamic addressing. Which of the options below is a vital difference between static and dynamic addressing?
Which of the messaging types below is best described as independent communication with the scanner module initiated by the properly configured field device?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that allows sequential communication on a network with multiple devices?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "C"?
